package main

import (
	"bytes"
	"fmt"
	"os"
	"path/filepath"
)

func main() {
	paths := getFiles(".")

	for _, path := range paths {
		// 读取文本格式的文件内容，自动替换“fonts.googleapis.com”为“fonts.loli.net”，“fonts.gstatic.com”为“fonts.loli.net”
		content, err := os.ReadFile(path)
		if err != nil {
			fmt.Println("Error reading file:", err)
			continue
		}
		content = bytes.ReplaceAll(content, []byte("fonts.googleapis.com"), []byte("fonts.loli.net"))
		content = bytes.ReplaceAll(content, []byte("fonts.gstatic.com"), []byte("fonts.loli.net"))
		os.WriteFile(path, content, 0644)
	}
}

// 遍历当前目录以及子目录下所有文件，返回[]string绝对路径
func getFiles(rootPath string) []string {
	var paths []string

	var walkDir func(dirPath string) error
	walkDir = func(dirPath string) error {
		files, err := os.ReadDir(dirPath)
		if err != nil {
			return err
		}

		for _, file := range files {
			fullPath := filepath.Join(dirPath, file.Name())
			if file.IsDir() {
				if err := walkDir(fullPath); err != nil {
					return err
				}
			} else {
				paths = append(paths, fullPath)
			}
		}
		return nil
	}

	if err := walkDir(rootPath); err != nil {
		fmt.Println("Error walking directory:", err)
		return nil
	}

	return paths
}